From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001
From: Sven Eisenhauer <sven@sven-eisenhauer.net>
Date: Fri, 10 Nov 2023 15:11:48 +0100
Subject: add new repo

---
 .../hjp5/examples/Listing3110.java                 | 90 ++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 Master/Reference Architectures and Patterns/hjp5/examples/Listing3110.java

(limited to 'Master/Reference Architectures and Patterns/hjp5/examples/Listing3110.java')

diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing3110.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing3110.java
new file mode 100644
index 0000000..c785bb7
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing3110.java	
@@ -0,0 +1,90 @@
+/* Listing3110.java */
+
+import java.awt.*;
+import java.awt.event.*;
+
+class YesNoDialog
+extends Dialog
+implements ActionListener
+{
+  boolean result;
+
+  public YesNoDialog(Frame owner, String msg)
+  {
+    super(owner, "Ja-/Nein-Auswahl", true);
+    //Fenster
+    setBackground(Color.lightGray);
+    setLayout(new BorderLayout());
+    setResizable(false); //Hinweis im Text beachten
+    Point parloc = owner.getLocation();
+    setLocation(parloc.x + 30, parloc.y + 30);
+    //Message
+    add(new Label(msg), BorderLayout.CENTER);
+    //Buttons
+    Panel panel = new Panel();
+    panel.setLayout(new FlowLayout(FlowLayout.CENTER));
+    Button button = new Button("Ja");
+    button.addActionListener(this);
+    panel.add(button);
+    button = new Button("Nein");
+    button.addActionListener(this);
+    panel.add(button);
+    add(panel, BorderLayout.SOUTH);
+    pack();
+  }
+
+  public void actionPerformed(ActionEvent event)
+  {
+    result = event.getActionCommand().equals("Ja");
+    setVisible(false);
+    dispose();
+  }
+
+  public boolean getResult()
+  {
+    return result;
+  }
+}
+
+public class Listing3110
+extends Frame
+implements ActionListener
+{
+  public static void main(String[] args)
+  {
+    Listing3110 wnd = new Listing3110();
+    wnd.setVisible(true);
+  }
+
+  public Listing3110()
+  {
+    super("Modale Dialoge");
+    setLayout(new FlowLayout());
+    setBackground(Color.lightGray);
+    Button button = new Button("Ende");
+    button.addActionListener(this);
+    add(button);
+    setLocation(100,100);
+    setSize(300,200);
+    setVisible(true);
+  }
+
+  public void actionPerformed(ActionEvent event)
+  {
+    String cmd = event.getActionCommand();
+    if (cmd.equals("Ende")) {
+      YesNoDialog dlg;
+      dlg = new YesNoDialog(
+        this,
+        "Wollen Sie das Programm wirklich beenden?"
+      );
+      dlg.setVisible(true);
+      //Auf das Schließen des Dialogs warten...
+      if (dlg.getResult()) {
+        setVisible(false);
+        dispose();
+        System.exit(0);
+      }
+    }
+  }
+}
\ No newline at end of file
-- 
cgit v1.2.3